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encapsulated thermistor STE SMDNTC3225N08003MK0 surface mount type with surge

China encapsulated thermistor STE SMDNTC3225N08003MK0 surface mount type with surge

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encapsulated thermistor STE SMDNTC3225N08003MK0 surface mount type with surge

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Operating Temperature	-40℃~+175℃
Description	SMD,8.1x6mm NTC Thermistors RoHS
Mfr. Part #	SMDNTC3225N08003MK0
Package	SMD,8.1x6mm
Model Number	SMDNTC3225N08003MK0

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Product Details
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Product Specification


Operating Temperature	-40℃~+175℃	Description	SMD,8.1x6mm NTC Thermistors RoHS
Mfr. Part #	SMDNTC3225N08003MK0	Package	SMD,8.1x6mm
Model Number	SMDNTC3225N08003MK0

Product Overview

The SMD-3225 Series is a series of encapsulated surface mount thermistors designed for circuit protection and various electronic applications. These thermistors feature advanced encapsulation technology meeting UL94-V0 standards, offering a compact size, superior high-temperature and high-humidity performance, and strong surge suppression capabilities. They are supplied in SMD tape reels for automatic placement using lead-free reflow/wave soldering.

Product Attributes

Brand: Songtian ()
Series: SMD-3225
Type: Encapsulated Surface Mount Thermistor (NTC)
Encapsulation Material: Meets UL94-V0
Packaging: SMD Tape Reel
Manufacturing Origin: Shantou Free Trade Zone Songtian Electronic Technology Co., Ltd.

Technical Specifications

Part Number Coding Principle:

SMD NTC 3225 [Foot Shape] [Resistance at 25C] [Max Steady Current] [Resistance Tolerance]

NTC: Negative Temperature Coefficient Thermistor
Model: SMD
Size: 3225 (approx. 8.1*6.0mm)
Foot Shape: N (Internal Fold), W (External Fold)
Resistance at 25C (Zero Power): e.g., 020 (2.0), 2R5 (2.5), 201 (200)
Max Steady Current: e.g., S5 (1.5A), 05 (5.0A)
Resistance Tolerance: L (15%), M (20%)

Product Marking Example:

Songtian Logo
NTC (Negative Temperature Coefficient Thermistor)
3225 (Size: approx. 8.1*6.0mm)
050 (Resistance at 25C: 5.0)
M (Tolerance: M (20%))

Dimensions:

Product Dimensions (mm) - External Fold (W)		Pad Dimensions (mm) - External Fold (W)
Parameter	Value	Parameter	Value
L	8.1 0.3	a	10.0 0.2
L1	10.0 0.3	b	2.2 0.2
W	6.0 0.3	c	3.6 0.2
L2	11.4 0.3
H	2.5 0.3
L3	0.5 0.3
W1	2.5 0.3
T	0.15 0.01

Product Dimensions (mm) - Internal Fold (N)		Pad Dimensions (mm) - Internal Fold (N)
Parameter	Value	Parameter	Value
L	8.1 0.3	a	5.7 0.2
L1	8.5 0.3	b	1.65 0.2
W	6.0 0.3	c	3.0 0.2
L2	6.0 Min
H	2.5 0.3
L3	1.1 0.3
W1	2.5 0.3

Model	Rated Zero Power Resistance @25 ()	Max Steady Current @25 (A)	Residual Resistance @ Max Steady Current @25 ()	B Value (K) 10%	Thermal Time Constant (S)	Thermal Dissipation Coefficient (mW/)	Operating Temperature Range ()
SMDNTC32251R505*	1.5	5	0.065	2600	<43	>13	-40 to 175
SMDNTC322502005*	2	5	0.085	2600	<43	>13	-40 to 175
SMDNTC32252R505*	2.5	5	0.095	2600	<43	>13	-40 to 175
SMDNTC322503005*	3	5	0.100	2600	<43	>13	-40 to 175
SMDNTC322504004*	4	4	0.150	2600	<44	>13	-40 to 175
SMDNTC322505004*	5	4	0.156	2800	<45	>13	-40 to 175
SMDNTC322506003*	6	3	0.240	2800	<45	>13	-40 to 175
SMDNTC32256R803*	6.8	3	0.245	2800	<45	>13	-40 to 175
SMDNTC322507003*	7	3	0.2824	2800	<45	>13	-40 to 175
SMDNTC322508003*	8	3	0.255	2800	<47	>14	-40 to 175
SMDNTC322510003*	10	3	0.275	2800	<47	>14	-40 to 175
SMDNTC322512002*	12	2	0.462	2800	<48	>14	-40 to 175
SMDNTC322513002*	13	2	0.465	2800	<50	>14	-40 to 175
SMDNTC322515002*	15	2	0.468	2800	<50	>14	-40 to 175
SMDNTC322516002*	16	2	0.470	2800	<50	>14	-40 to 175
SMDNTC322518002*	18	2	0.495	3000	<52	>15	-40 to 175
SMDNTC322520002*	20	2	0.512	3000	<52	>15	-40 to 175
SMDNTC322522002*	22	2	0.563	3000	<52	>15	-40 to 175
SMDNTC322525002*	25	2	0.623	3000	<52	>15	-40 to 175
SMDNTC3225300S5*	30	1.5	0.667	3000	<52	>15	-40 to 175
SMDNTC3225330S5*	33	1.5	0.734	3000	<52	>15	-40 to 175
SMDNTC3225470S5*	47	1.5	1.002	3000	<52	>15	-40 to 175
SMDNTC3225500S5*	50	1.5	1.021	3000	<52	>15	-40 to 175
SMDNTC3225600S5*	60	1.5	1.215	3000	<52	>15	-40 to 175
SMDNTC3225800S2*	80	1.2	1.656	3200	<52	>15	-40 to 175
SMDNTC3225101S1*	100	1.1	2.053	3200	<50	>15	-40 to 175
SMDNTC3225121S1*	120	1.1	2.253	3200	<50	>15	-40 to 175
SMDNTC322520101*	200	1	4.121	3200	<50	>13	-40 to 175

Usage:

Circuit Protection
Industrial Equipment
Communication Equipment
Consumer Electronics
Automotive Electronics

Features:

Advanced encapsulation process, encapsulation material meets UL94-V0.
Compact structure, small size, space-saving.
Superior high-temperature and high-humidity performance.
Strong surge suppression capability.
SMD tape packaging, suitable for lead-free reflow/wave soldering automatic placement.

Reliability Testing:

No.	Item	Test Method	Standard
1	Vibration	Frequency: 10~55Hz, Amplitude: 0.75mm, Direction & Time: X, Y, Z axes each 2 hours	No visible damage, Resistance change rate: 10%
2	Solderability	Temperature: 2455, Time: 30.5s	Uniform tinning and area 95%
3	Resistance to Soldering Heat	Immerse product leads in 2605 solder liquid for 101 seconds, then remove.	Resistance change rate: 10%
4	High Temperature Storage	Store at 1252 for 1000+48 hours, test after 2 hours of static state.	Resistance change rate: 20%
5	Humidity Resistance	1. Place product in 402, 90-95% humidity environment for 1000 hours. 2. Place product in 402, 90-95% humidity environment, applying 1/20 of max. dissipation voltage, not less than 0.5V, for 500 hours.	Resistance change rate: 20%
6	Thermal Shock	-4030min 255min 12530min 255min, 5 cycles total.	Resistance change rate: 20%
7	Endurance Test	1. 255, Imax, 1000h; 2. 255, Imax, (1min ON /5min OFF) * 1000 times.	No visible damage, Resistance change rate: 20%
8	Insulation Withstand Voltage	Apply 750Vac voltage for 1 minute to the encapsulated surface of the product, wound with metal wire in a tight coil, between coil terminals and leads.	No external damage

Packaging Description:

Tape Packaging Specification (mm)
SPEC	A0	B0	K0	P	P0	P2	T	N(Internal Fold)	W(External Fold)
Value	6.350.1	8.450.1	3.250.1	8.00.1	4.00.1	2.00.1	0.30.05
Value	6.160.1	11.900.15	3.100.1	8.00.15	4.00.15	2.00.15	0.30.05

Component/Reel
SPEC	W	E	F	D0	D1
N(Internal Fold)	16.00.3	1.750.1	7.50.1	1.5+0.1/-0	1.5+0.1/-0	4000pcs
W(External Fold)	24.00.3	1.750.15	11.50.15	1.5+0.15/-0	1.5+0.15/-0	4000pcs

15-inch Reel Dimensions (mm)
SPEC	N(Internal Fold)	W(External Fold)
E0.5	2.3	2.3
F0.5	10.75	10.75
W0.2	16.4	24.4
T10.3	2.2	2.2
T20.3	2.2	2.2
A+0/-2	380	380
N3.0	100	100
D0.3	13.3	13.3

Soldering Instructions:

Lead-Free Reflow Soldering Curve:

Soldering Temperature: 230260
Soldering Time: 1030s
Preheating Temperature: 170 max.

Wave Soldering Curve: (Details not provided in source text)

Soldering Iron Rework Conditions:

Item	Condition
Soldering Iron Tip Temperature	400 (max.)
Soldering Time	3.5 sec (max.)
Soldering Iron Power	50W (max.)

Storage Environment:

Store under the following conditions and use within 6 months after delivery.
Temperature: 10~30, Relative Humidity: 60% max.
Solder NTC within 168 hours after opening the moisture-proof packaging. After opening, store NTC in the moisture-proof packaging with desiccant and HIC card, maintaining the above conditions.
If the storage period exceeds 6 months, or the indicator color of the accompanying HIC card changes after the package is opened, baking (60 * 168hr) is required before soldering.
Reference data for baking when product humidity exceeds requirements before reflow soldering, or when exposure time exceeds shelf life, or when temperature/humidity conditions exceed requirements (shelf life after baking starts from zero): (Details not provided in source text)
Do not store products in corrosive substances such as sulfur, chlorine gas, or acids, as this may cause lead oxidation and reduce solderability.
To avoid the influence of moisture, dust, etc., products should be stored on shelves.
Products stored in warehouses should avoid thermal shock, vibration, and direct sunlight.

Usage Precautions:

The working environmental temperature should be within the specified range of technical conditions.
Do not install near heat-generating or combustible components; maintain a gap of more than 3 mm to avoid damaging the component.
Wear gloves before touching the leads.
This specification guarantees the quality of our products as individual components. When our products are installed in your products, please ensure that your products have been effectively evaluated and confirmed according to your company's specifications.
If your company's trial use of our products exceeds the product functions defined in this test specification, we will not be responsible for failures caused by this.
When an NTC is damaged, the failure may result in a short circuit. To prevent dangerous situations such as overheating, smoking, or fire in case of a short circuit, please use components like fuses in the circuit to set up an automatic fail-safe function.

2508261540_STE-SMDNTC3225N08003MK0_C50751514.pdf

Company Details

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Business Type:

Manufacturer,Distributor/Wholesaler,Agent,Importer 
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Year Established:

2009 
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Employee Number:

300~500 
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Ecer Certification：

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Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...

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